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  1. www.ibm.com › topics › ransomwareWhat Is Ransomware? | IBM

    Ransomware is a type of malware that holds a victim’s sensitive data or device hostage, threatening to keep it locked—or worse—unless the victim pays a ransom to the attacker. The earliest ransomware attacks simply demanded a ransom in exchange for the encryption key needed to regain access to the affected data or use of the infected device.

  2. en.wikipedia.org › wiki › RansomwareRansomware - Wikipedia

    Ransomware is a type of cryptovirological malware that permanently blocks access to the victim's personal data unless a ransom is paid. While some simple ransomware may lock the system without damaging any files, more advanced malware uses a technique called cryptoviral extortion.

  3. www.malwarebytes.com › ransomwareWhat is Ransomware? | Ransomware protection

    Ransomware is a form of malware that locks the user out of their files or their device, then demands a payment (often in cryptocurrency) to restore access. Learn more about ransomware attacks, how to prevent them, and how security software can roll back ransomware attacks if they happen.

  4. www.microsoft.com › business › security-101What Is Ransomware? | Microsoft Security

    Ransomware is a type of malicious software, or malware, that threatens a victim by destroying or blocking access to critical data or systems until a ransom is paid.

  5. www.fortinet.com › resources › cyberglossaryWhat Is Ransomware? How to Prevent Ransomware Attacks? | Fortinet

    Ransomware is a specific type of malware that holds data hostage in exchange for a ransom. Learn how it works and ways to prevent ransomware attacks.

  6. www.fbi.gov › common-scams-and-crimes › ransomwareRansomware — FBI

    Ransomware is a type of malicious software, or malware, that prevents you from accessing your computer files, systems, or networks and demands you pay a ransom for their return....

  7. www.techtarget.com › searchsecurity › definitionWhat is Ransomware? How It Works and How to Remove It -...

    Ransomware is a type of malware that locks and encrypts a victim's data, files, devices or systems, rendering them inaccessible and unusable until the attacker receives a ransom payment. The first iterations of ransomware used only encryption to prevent victims from accessing their files and systems.

  8. www.cloudflare.com › learning › securityWhat is ransomware? | Ransomware meaning | Cloudflare

    Ransomware is a type of malware that locks computer files until the victim pays a ransom. Learn how ransomware works and how to prevent ransomware attacks.

  9. www.csoonline.com › article › 563507Ransomware explained: How it works and how to remove it

    19 de jun. de 2020 · Ransomware is a form of malware that encrypts a victim’s files. The attacker then demands a ransom from the victim to restore access to the data upon payment.

  10. www.ncsc.gov.uk › ransomwareA guide to ransomware - The National Cyber Security Centre

    Ransomware is a type of malware which prevents you from accessing your device and the data stored on it, usually by encrypting your files. A criminal group will then demand a...